Welcome to GNU Prolog download site on ftp.gnu.org or its mirrors.
You can find here source distributions (gprolog-version.tar.gz files).
For our official GNU page please visit:
http://www.gnu.org/software/gprolog/
The main GNU Prolog site is at:
http://www.gprolog.org/
From this site you can find more information on GNU Prolog, an on-line manual,
several precompiled versions and old versions.
Thank you for using GNU Prolog.